Some people on the photography list at work were posting their top 10 photos of 2008, so here's my stab at it. (You might also want to try this scrollable flickriver view.) Didn't quite manage to get it down to 10, but oh well. :) It's sorted in chronological order.
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I thought I'd take this chance to mention that if you don't want to follow every photo on my photostream, you can see a smaller subset of the more visually interesting ones in the Everything Good set (currently 236 photos) or the even smaller Only the Best set (currently 78 photos). Both are sorted in reverse chronological order, so you can always see the latest ones at the beginning.